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 TM 55-1905-221-14-2
Table 5-1. Troubleshooting.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
PROPULSION ENGINE (Cont.)
b. Check for valve-to-guide clearance.
1. Reface valve if necessary. Refer to paragraph 5-15.
2. Replace worn valve. Refer to paragraph 5-15.
c. Check valve for improper seating.
1. Reface if necessary. Refer to paragraph 5-15.
2. Replace worn valve. Refer to paragraph 5-15.
Step 3.
a. Check for broken or bent valve.
Replace bent or broken valve. Refer to paragraph 5-15.
b. Check for defective valve spring.
Replace defective valve s ing. Refer to paragraph 5-15.
tr
c. Check valve guide and insert for damage.
Replace damaged or defective insert or valve guide. Refer to paragraph 5-15.
d. Check cylinder head and piston for damage.
1. Replace damaged or defective cylinder head. Refer to paragraph 5-15.
2. Replace defective or damaged piston. Refer to paragraph 6-31.1.
5-5
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